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st: list subjects with a similar value


From   "Raoul C Reulen" <r.c.reulen@bham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: list subjects with a similar value
Date   Wed, 22 Mar 2006 22:13:35 -0000

Hi,
 
I have a large database and would like to list the idnumber of all subjects with the same date of birth. How do I do this? I have tried .duplicate, but can figure out how to do it. Thanks.
 
Raoul 

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